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Add _FORTIFY_SOURCE support for inet_ntop

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- Create the __inet_ntop_chk routine that verifies that the builtin size
of the destination buffer is at least as big as the size given by the
user.
- Redirect calls from inet_ntop to __inet_ntop_chk or __inet_ntop_warn
- Update the abilist for this new routine
- Update the manual to mention the new fortification

Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Frédéric Bérat
2025-03-07 18:16:30 +01:00
parent 3cdb99d8bb
commit 090dfa40a5
46 changed files with 182 additions and 0 deletions
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1
sysdeps/unix/sysv/linux/mips/mips32/fpu/libc.abilist
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@ -2911,6 +2911,7 @@ GLIBC_2.4 unlinkat F
GLIBC_2.4 unshare F
GLIBC_2.41 sched_getattr F
GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 pthread_gettid_np F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F

1
sysdeps/unix/sysv/linux/mips/mips32/nofpu/libc.abilist
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@ -2909,6 +2909,7 @@ GLIBC_2.4 unlinkat F
GLIBC_2.4 unshare F
GLIBC_2.41 sched_getattr F
GLIBC_2.41 sched_setattr F
GLIBC_2.42 __inet_ntop_chk F
GLIBC_2.42 pthread_gettid_np F
GLIBC_2.5 __readlinkat_chk F
GLIBC_2.5 inet6_opt_append F